Periodic Table Of Elements Crossword Puzzle

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Across
  1. 1. A element that is shiny and has the capability to conduct heat and electricity well.
  2. 7. A subatomic particle without a charge that is located in the nucleus of a atom.
  3. 10. When one or more electrons loses or gains atoms,This happens when a charged particles forms a atom or "groups" of atoms.
  4. 11. A negatively charged particle that is subatomic.
  5. 12. A horizontal row of which elements are on the periodic table,This is described in chemistry.
  6. 14. A atom that shares the same atomic number of other atoms of the same element, but has a different atomic mass.
  7. 16. This symbol represents the first one too two letters of an element on the periodic table.
  8. 17. The mass of the atom showed/expressed in the atomic mass number.
  9. 18. The law that states a repeating chemical and physical properties that changes periodically with there atomic number.
  10. 19. This a element is neither a metal or nonmetal but has the properties of both elements.
  11. 20. This is a subatomic particle that is positively charged, it is also located in nucleus of the atomic number,This determines a identity of a element.
Down
  1. 2. A sort of substance that can not be separated into a simpler substance.
  2. 3. A element that keeps/maintains the properties of there elements.
  3. 4. This element poorly conducts heat and electricity.
  4. 5. On the periodic table of elements,Thus is the line that shows where the nonmetals, metals and, metalloids are located.
  5. 6. This is the column that is vertical on the periodic table.
  6. 8. A central region of a atom that is made up of protons and neutrons.
  7. 9. This is the number that representes the number of protons in the nucleus of a atom.
  8. 13. A element classified as neither acidic or basic.
  9. 15. This is when something happens at regular intervals/time.